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Patent applications and USPTO patent grants for Hwang; Sung-Hoon.The latest application filed is for "projection lens unit for pico-projector".
Patent | Date |
---|---|
Projection lens unit for pico-projector Grant 8,929,003 - Lee , et al. January 6, 2 | 2015-01-06 |
Projection Lens Unit For Pico-projector App 20140104694 - Lee; Hee-Joong ;   et al. | 2014-04-17 |
Projection lens unit for pico-projector Grant 8,693,112 - Lee , et al. April 8, 2 | 2014-04-08 |
Projection lens unit for pico-projector Grant 8,284,493 - Lee , et al. October 9, 2 | 2012-10-09 |
Projection Lens Unit For Pico-projector App 20120170133 - Lee; Hee-Joong ;   et al. | 2012-07-05 |
Nano-hybrid Concrete Chemical Admixture for Chloride Invasion Resistance Consisting of Layered Double Hydroxide/Polyurethane Copolymer App 20120046393 - Cha; Cheol Yong ;   et al. | 2012-02-23 |
Projection Lens Unit For Pico-projector App 20110199690 - Lee; Hee-Joong ;   et al. | 2011-08-18 |
Display Device App 20100188804 - Jang; Woon-Geun ;   et al. | 2010-07-29 |
System and method for processing voice command App 20040010410 - Oh, Jee-Eun ;   et al. | 2004-01-15 |
Frequency converter Grant 6,323,907 - Hwang November 27, 2 | 2001-11-27 |
Fuzzy inference circuit using charge coupled device Grant 6,212,507 - Hwang April 3, 2 | 2001-04-03 |
Defect compensator for solid-state image pickup device Grant 5,995,675 - Hwang November 30, 1 | 1999-11-30 |
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